Replace chromeos::UserManager::Get() with chromeos::GetUserManager().

chrome/browser/chromeos/login/screens/user_selection_screen.cc

Index: chrome/browser/chromeos/login/screens/user_selection_screen.cc
diff --git a/chrome/browser/chromeos/login/screens/user_selection_screen.cc b/chrome/browser/chromeos/login/screens/user_selection_screen.cc
index 36df86f10df690e8e9949a2c755792c3d5056525..0dd214c420d50a64e4a97b98284fd60f4d3994f0 100644
--- a/chrome/browser/chromeos/login/screens/user_selection_screen.cc
+++ b/chrome/browser/chromeos/login/screens/user_selection_screen.cc
@@ -77,7 +77,7 @@ void UserSelectionScreen::FillUserDictionary(
   // Fill in multi-profiles related fields.
   if (is_signin_to_add) {
     MultiProfileUserController* multi_profile_user_controller =
-        UserManager::Get()->GetMultiProfileUserController();
+        GetUserManager()->GetMultiProfileUserController();
     std::string behavior =
         multi_profile_user_controller->GetCachedValue(user_id);
     user_dict->SetBoolean(kKeyMultiProfilesAllowed,
@@ -231,7 +231,7 @@ void UserSelectionScreen::SendUserList(bool animated) {
   // http://crbug.com/230852
   bool single_user = users.size() == 1;
   bool is_signin_to_add = LoginDisplayHostImpl::default_host() &&
-                          UserManager::Get()->IsUserLoggedIn();
+                          GetUserManager()->IsUserLoggedIn();
   std::string owner;
   chromeos::CrosSettings::Get()->GetString(chromeos::kDeviceOwner, &owner);